Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1983-11-09
1985-04-30
Stearns, Richard R.
Geometrical instruments
Straight-line light ray type
Alignment device
33180AT, 33281, G01B 1126
Patent
active
045135088
ABSTRACT:
An elongated wheeled bench is provided for predetermined aligned positioning beneath a stationary jack stand supported vehicle body to be straightened and includes, supported therefrom at one end, a vertically adjustable horizontally elongated mount extending transversely of the bench. The mount has a light beam generating head mounted thereon for adjustable positioning therealong and also for angular displacement relative thereto about a first axis paralleling the mount and a second axis disposed normal to the first axis. The head is operable to generate a narrow light beam disposed normal to the second axis and scales are provided to indicate angular positioning of the head about the first and second axes and also longitudinal positioning of the head along the mount.
REFERENCES:
patent: 3566476 (1971-03-01), McWhorter
patent: 4242803 (1981-01-01), Dory
patent: 4329784 (1982-05-01), Bjork
patent: 4366624 (1983-01-01), Bergstrom
patent: 4442608 (1984-04-01), Clausen
patent: 4454659 (1984-06-01), Eck
Hinson Virgil H.
Jarman Davis R.
Jacobson Harvey B.
Stearns Richard R.
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